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drm/radeon: Add ATC VMID<-->PASID functions to kfd->kgd

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This patch adds three new interfaces to kfd2kgd interface file of radeon.

The interfaces are:

- Check if a specific VMID has a valid PASID mapping
- Retrieve the PASID which is mapped to a specific VMID
- Issue a VMID invalidation request to the ATC

Signed-off-by: Alexey Skidanov <Alexey.Skidanov@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Alexey Skidanov
2015-05-19 19:25:01 +03:00
committed by Oded Gabbay
parent f8bd13338a
commit edad40239f
3 changed files with 50 additions and 5 deletions
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9
drivers/gpu/drm/radeon/cikd.h
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@@ -2148,9 +2148,12 @@
#define VCE_CMD_IB_AUTO 0x00000005
#define VCE_CMD_SEMAPHORE 0x00000006
#define ATC_VMID0_PASID_MAPPING 0x339Cu
#define ATC_VMID_PASID_MAPPING_UPDATE_STATUS 0x3398u
#define ATC_VMID_PASID_MAPPING_VALID (1U << 31)
#define ATC_VMID_PASID_MAPPING_UPDATE_STATUS 0x3398u
#define ATC_VMID0_PASID_MAPPING 0x339Cu
#define ATC_VMID_PASID_MAPPING_PASID_MASK (0xFFFF)
#define ATC_VMID_PASID_MAPPING_PASID_SHIFT 0
#define ATC_VMID_PASID_MAPPING_VALID_MASK (0x1 << 31)
#define ATC_VMID_PASID_MAPPING_VALID_SHIFT 31
#define ATC_VM_APERTURE0_CNTL 0x3310u
#define ATS_ACCESS_MODE_NEVER 0